Signals in Gtk+

[Sascha Ziemann <szi aibon ping de>]

Hi,

I wrote some code to get reliable timers. The code works fine and I
am able to play video streams with up to 100 Hz (as long as I ignore
the fact that my monitor does not run with 100 Hz). Now I want to
create a GtkTimer widget. Therefore I tried to map the timer events to
Gtk signals. But it seems to me that this does not work. When I define
a new signal for GtkObject, for example "timer", I can connect
different callbacks to the "timer" signal for different widgets. But
the timers are not all the same, because each timer can run with a
different frequency. Timer A for example runs with 40 Hz and timer B
with 50 Hz. In order to avoid sending timer A signals to widget B,
which wants only timer B signals, I would have to define two different
signals: one for timer A and one for timer B. This would be OK for two
timers but not for a unknown number of timers. In order to solve this,
I need attributed signals. By this a widget would be able to say "yes
I want the timer signal, but only those running with 40 Hz". I think
with the current Gtk+ this is not possible. Is this right?

-- 
/* In the beginning was the Word: */
typedef long SCM;